1. Department of Civil, Construction, and Environmental Engineering, North Carolina State University, 915 Partners Way, Raleigh, North Carolina 27695, United States
2. University of North Carolina, Chapel Hill, North Carolina 27599, United States
3. RTI International, Research Triangle Park, North Carolina 27709, United States
4. Wayne State University, Detroit, Michigan 48202, United States
5. Brown and Caldwell, Denver, Colorado 80401, United States